MZR

MZR or mzr may refer to:


 * Mazda MZR engine, the brand name of straight-four engines engineered and built by the Mazda Motor Corporation
 * MZR, the IATA code for Mazar-i-Sharif International Airport, Afghanistan
 * MZR, the Indian Railways station code for Murtizapur Junction railway station, Maharashtra, India
 * mzr, the ISO 639-3 code for Marúbo language, Brazil
 * Mengzi Ren, a fossilized human